ISO/IEC 17025 Accredited RF & Microwave Calibration

Accurate RF and microwave measurement is essential for reliable wireless communications, radar systems, satellite technology, and advanced electronic applications. Our national network of local calibration providers delivers the precision your equipment depends on—supporting system performance, regulatory compliance, and operational reliability.

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Our RF & Microwave Calibration Services

RF and microwave instruments are critical across cellular networks, WiFi systems, aerospace radar, satellite communications, and other high-frequency applications.

When instruments drift out of specification, the consequences can include communication failures, system interference, regulatory violations, and degraded performance in critical systems. The Accredited Labs network provides comprehensive RF and microwave calibration services to keep your instruments performing within their required accuracy ranges.

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Our Process 

RF and microwave calibration involves verifying and adjusting instruments across radio and microwave frequency ranges, covering frequency, power, and impedance parameters. Each device is compared to certified reference standards with known, traceable values to identify deviations from intended performance.

Expert technicians use precision signal generators, power meters, and network analyzers to evaluate instruments throughout their frequency ranges and power levels. They document all variations and may make the adjustments needed to restore accuracy. If an instrument cannot be restored to the required accuracy range, you receive detailed reporting with the data necessary for uncertainty calculations, maintenance planning, or replacement decisions.

All RF and microwave calibrations follow internationally recognized standards and industry best practices to deliver consistency, reliability, and full measurement traceability. Each instrument is returned with documentation linking its accuracy to national frequency and power standards—supporting telecommunications regulations, aerospace requirements, and quality management systems.

Types of RF & Microwave Measuring Instruments We Calibrate

Our comprehensive RF and microwave calibration services cover the complete spectrum of high-frequency measurement instruments used across industries:

  • Network Analyzers and Vector Network Analyzers: These sophisticated instruments measure impedance, reflection, transmission, and scattering parameters across wide frequency ranges. Calibration ensures accurate measurement of return loss, insertion loss, VSWR, and complex impedance parameters essential for RF system design and optimization.
  • Signal Generators and Synthesizers: RF signal sources including signal generators, synthesizers, and arbitrary waveform generators require calibration of frequency accuracy, power output, and spectral purity. Calibrated signal sources provide the accurate test signals needed for receiver testing, system evaluation, and component characterization.
  • Power Meters and Power Sensors: RF power measurement instruments require calibration across frequency and power ranges to ensure accurate power level determination. These instruments support transmitter testing, amplifier characterization, and system power budget analysis with the accuracy needed for regulatory compliance and performance optimization.
  • Spectrum Analyzers and Signal Analyzers: These instruments measure signal characteristics including frequency content, power distribution, and modulation parameters. Calibration ensures accurate spectrum measurement for interference analysis, signal quality assessment, and regulatory compliance testing across diverse RF applications.
  • Frequency Counters and Time Interval Analyzers: Precision frequency measurement instruments require calibration for accurate frequency and timing measurements that support oscillator testing, reference standard verification, and system synchronization in demanding timing applications.
  • RF Voltmeters and Field Strength Meters: These instruments measure RF voltage levels and electromagnetic field strength for safety compliance, interference assessment, and system performance evaluation. Calibration ensures accurate measurement across frequency ranges and field strength levels.
  • Impedance Analyzers and LCR Meters: High-frequency impedance measurement instruments require calibration for accurate component characterization and impedance matching applications. These instruments support antenna testing, filter design, and component quality control with frequency-dependent accuracy.
  • Antenna Test Equipment and Range Instrumentation: Antenna measurement systems including gain measurement equipment, pattern analyzers, and range instrumentation require specialized calibration procedures that account for antenna characteristics and measurement environments.
  • Modulation Analyzers and Communication Test Sets: Advanced communication test equipment requires calibration of modulation accuracy, error vector magnitude, and digital signal analysis parameters that support modern communication system testing and optimization.
  • Microwave Components and Waveguide Devices: Microwave test equipment including waveguide power meters, directional couplers, and precision attenuators require specialized calibration procedures that address waveguide interfaces and microwave measurement techniques.

Find RF & Microwave Calibration Services
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  • Accutek Lab

    Accutek Lab has been providing reliable and cost-effective pipette calibration services across the United States since 1996.

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  • Aldinger

    Since 1972, Aldinger has been providing top-quality calibration services for test and measurement equipment in Texas and beyond.

    WEBSITE ACCREDITATION

  • Cal-Cert

    Cal-Cert is committed to providing the highest level of calibrations and certification service to our customers.

    WEBSITE ACCREDITATION

  • Cal-Labs

    Cal-Labs has provided quality calibration in Southern California since 1977. We are A2LA accredited to ISO 17025. 

    WEBSITE ACCREDITATION

  • Calibration Services Inc.

    Calibration Services, Inc. (CSI) is an on-site and in-house calibration firm specializing in calibration and service of mechanical testing devices.

    WEBSITE ACCREDITATION

  • Cal Tec Process Management

    The calibration specialists at CTPM have been providing precision calibration and quality assurance since 1987.

    WEBSITE ACCREDITATION

  • Calser Calibrations

    Since 1979, Calser Calibrations has delivered trusted, precision calibration services backed by a commitment to quality and reliability.

    WEBSITE ACCREDITATION

  • CMG Sales, Inc.

    CMG Sales, Inc. is a leading manufacturer sales representative and ISO 17025 accredited calibration laboratory providing services to manufacturers nationwide.

    WEBSITE ACCREDITATION

  • Color Calibration Group

    Color Calibration Group has been providing professional calibration services for all your color, light, and viscosity calibration needs for over 25 years.

    WEBSITE ACCREDITATION

  • ETI Precision

    ETI has been a leader in the calibration, repair, and sale of test and measurement equipment since 1994, and covers all 50 states.

    WEBSITE ACCREDITATION

  • Holts Precision, Inc.

    For over 60 years Holts Precision, Inc. has performed calibrations & repairs on all major brands of gaging equipment.

    WEBSITE ACCREDITATION

  • Huston-DePue

    Established in 1960, HDCL is staffed by experienced professionals who understand the critical role accurate measurement plays in quality control and regulatory compliance.

    WEBSITE ACCREDITATION

  • Instrument Technologies, Inc.

    For over three decades, Instrument Technologies, Inc. (ITI) has been a trusted partner for regulated industries seeking precision, compliance, and operational reliability.

    WEBSITE ACCREDITATION

  • IPM, Inc.

    Industrial Process Measurement, Inc. has been in the instrument supply, service and calibration business for over 30 years.

    WEBSITE ACCREDITATION

  • J & J Calibration Service

    J&J Calibration Service, an ISO-17025 accredited company, offers unmatched mobile calibration capabilities and laboratory calibration services.

    WEBSITE ACCREDITATION

  • OCS Technologies

    Founded in 1930, OCS Technologies is a trusted multi-discipline calibration service provider as well as leading product distributor.

    WEBSITE ACCREDITATION

  • OnCal

    With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services.

    WEBSITE ACCREDITATION

  • Precision Calibration Systems

    PCS is a full-service ISO 17025 Accredited calibration laboratory, founded with the goal of providing reliable and accurate instrument calibration service.

    WEBSITE ACCREDITATION

  • Quality Control Services

    Quality Control Services is an established, accredited calibration services and laboratory equipment company with over 40 years of experience.

    WEBSITE ACCREDITATION

  • Quality Surveillance, Inc.

    QSI has been providing Los Angeles, Ventura, Santa Barbara and Santa Clarita Counties with reliable and cost effective metrology services since 1992.

    WEBSITE ACCREDITATION

  • Servo Innovations

    Servo Innovations, founded in 2005,  has earned industry-wide trust for its accredited calibration, repair, and technical services.

    WEBSITE ACCREDITATION

  • Tescom Calibration Services

    Tescom Calibration Services has provided sales, repair, and calibration of telecom test equipment since 1982.

    WEBSITE ACCREDITATION

  • Trident Calibration Labs

    Serving the greater Phoenix area, Trident Calibration Labs has more than 100 years of combined calibration experience.

    WEBSITE ACCREDITATION

  • Tru Cal International

    Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992. 

    WEBSITE ACCREDITATION

  • Utah Scale Center

    Utah Scale Center offers servicing and calibrating of industrial scales across the Rocky Mountain Region, with 70+ years of experience.

    WEBSITE ACCREDITATION

  • Washington Calibration

    Washington Calibration has been providing customers with quality gage repair services for all their inspection measuring instruments for more than 34 years. 

    WEBSITE ACCREDITATION

Audit-Ready Calibration in 3 Simple Steps
1

Submit Your Equipment List

Send us a list of the equipment you need calibrated, and we’ll provide a tailored quote with clear pricing—no hidden fees.
2

Schedule Your Calibration

Choose a convenient time for a mobile or on-site equipment calibration. Our certified technicians ensure precision and compliance with ISO/IEC 17025 standards.
3

Stay Compliant & Audit-Ready

Receive detailed calibration reports and certification, giving you peace of mind for audits and operational excellence.
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Comprehensive Services

We offer a wide range of calibration services, covering various equipment 
and instruments.

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Industry Expertise

Our team has extensive experience 
across multiple industries, ensuring 
top-notch service.

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Nationwide Network

With locations across the country, 
we provide reliable services wherever 
you are.